5 What were the first atoms of the elements of existence at the start of the universe and the ones that make up 97 percent of all matter in the
universe?
OA. water and oxygen
OB. hydrogen and hellum
Oc carbon and nitrogen
OD. calcium and iron
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answer; (d) spontaneous processes are characterized by the overall conversion of order to disorder;

when jerome paddle in flowing river towards east the net speed of jerome will increase

so the net speed of jerome will be given as

now the speed of paul will be same as it is given as he is running on the ground

so

so here we can say since the speed of jerome is more so he will win the race

now as we know the distance so the time difference is given as

so jerome will reach first and the time difference will be 203.55 s or 3.4 min